Two charges are brought together until they are 100 cm apart, causing the electric force between them to increase by a factor of exactly 5. What was their initial separation distance?
Answer to relevant QuestionsThe distance between neighboring singly charged sodium and chlorine ions in crystals of table salt (NaCl) is 2.82 x 10-10 m. What is the attractive electric force between the ions? Four charges are located at the corners of a square, as illustrated in Fig. 15.27. What are the magnitude and the direction of the force (a) On charge q2 and (b) On charge q4? At what distance from a proton is the magnitude of its electric field 1.0 x 105 N/C? Compute the electric field at a point midway between charges q1 and q2 in Fig. 15.26. In Exercise 39, what is the electric field direction In exercise A solid conducting sphere is surrounded by a thick, spherical conducting shell. Assume that a total charge +Q is placed at the center of the sphere and ...
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